Cultivator



No. 6l9,382.

Patented Feb. l4, I899 S. L. A LLEN.

C U LT l V A T 0 R.

(Application flled iept. 2, 1896. Renewed Jan. 12, 1899.)

4 Sheets-Sheet I.

(Ill) Model.)

INVENTEIR SAL JZM M'rmlsssas my/ TAMM Patented Feb. l4, I899. S'. L. ALLEN.

CULTIVATOR.

(Application filed Sept. 2, 1896. Renewed Jan. 12, 1899.)

4 Sheets-$heet 2.

(No Model.)

\A/ITNEEEEE.

Patented Feb. l4, I899.

i No. 619,382.

8. L. ALLEN.

C U L T IV A T 0 R (Application filsd Sept. 2, 1896. Renewed Jan. 12, 1899.)

(No Model.)

o. WASNINGTON n c N0. 6l9,382. Patented Feb. I4, I899.

S. L. ALLEN.

CULTIVATOR.

(Application filed Sept. 2, 1898. Renewed Jan. 12, 1899.) (No Model.) 4 Shaets-Shaet 4.

\g ljzgzssas W UNIED STATES PATENT OFFICE.

SAMUEL L. ALLEN, OF MOORESTOVVN, NEW JERSEY.

CU LTIVATO R.

SPECIFICATION forming part of Letters Patent No. 619,382, dated February 14, 1899. Application filed September 2,1896. Renewed January 12, 1899. Serial No. 702,002. (No model.)

' plement to be used as a cultivator or horsehoe; and it consists of certain new and improved features of construction, which increase in various ways the efficiency and utility of the implement.

Referring to the accompanying drawings, Figure 1 shows a side elevation of a cultivator, introducing my improvements. Fig. 2 is a plan, Fig. 3 a rear elevation, and Fig. 4 a vertical longitudinal section, of same. Fig. 5 is a detail of one of the rear outside joints of the side brace, and Fig. 6 shows in per spective the draft hook and pin.

The general construction and arrangement of the cultivator, so far as the shape of the central bar and side bars is concerned and the connection of said bars together, is similar to that shown in United States Letters Patent No. 466,282, issued to me December 29, 1891.

A is the central bar, and B B the side bars, hinged to the central bar between the hingeplates B B bolted together and to the central bar at A.

C O are the handles, connected at c to the central bar, preferably by a joint, allowing lateral adjustment of the handles.

D D, 850., are the blades bolted by their standards at suitable intervals to the side bars and rear of central bar in any wellknown way, so that they may be angularly and vertically adjusted.

E is the draft-hook, pinned to the front end of the central bar, which is downwardly and upwardly turned and has in its vertical end a series of pin-holes a a. The hook E, I preferably form up from sheet-steel, as shown in Fig. 6. It fits over the upwardly-turned forward end of the central bar and is pinned at any desired height by the special pin 6, which has at one end a laterally-projecting lug e and at the other a laterally-projecting weight (2 each projecting from opposite sides of the pin. The pin-holes in the hook and central bar have a slot or splineway on their lower side, so that the lug 6 may pass through when the pin is turned over, so thatits weight 6 projects upward. The normal position of the pin is with the weight hanging down and the lug projecting up, as shown in Fig. 6, and hence it cannot be withdrawn While in the position in which it is held by the Weight. Thus a very simple and easily operated, but efficient, connection is made and one that cannot be shaken loose by the jolting of the cultivator. A connecting-piece e across rear of hook keeps it always in a horizontal position, so that the singletree is easily attached and does not work loose, and the mouth of the hook is of such shape as to prevent the ring or staple of the singletree from backing out. The notches e in the lower edge also prevent the hook from falling.

F is the front wheel,pivoted between the forward ends of the parallel rods, forming the adjusting-lever G, which is of the shape shown. It is pivoted to an upwardly-projecting lug Z) on the upper hinge-plate B and extends backward and upward within reach of the operator. It will be seen that by raising or lowering the upper end of the adjusting-lever the height of the wheel F may be regulated, and it is held in any desired position by means of a latch h, which engages with the upright toothed section H, secured to the central bar, the latch being operated by the handle G on the upper end of the adj listing-bar. I have provided a device by which the rear part of the cultivator may be adjusted for depth by the same lever G and simultaneously with the front end, and it consists of the downwardly and rearwardly sloping double bar I, pivoted at its center to the central bar by means of a bolt '6, which also secures the lower ends of the handles 0 C. The bar I embraces be tween its split lower ends the curved trailer or float J, and has its upper ends provided with the slot z', which embrace the two bars of the ad j listing-lever G, and are secured thereto by a bolt passing through the lever G, and loosely through the slot 2'. Thus it will be seen that by raising 0r lowering the lever G the front wheel and the float .I are simultaneously and equally lowered and raised and the depth of the cut is regulated fore and aft at the same time and with one lever and without interfering with the action of any of the teeth. By means of the slot 71 in the end of the bar I and bolts j and j the float may be very readily adjusted vertically or quickly and easily removed, if desired.

Referring to the rear view, Fig. 3, K is a triangular brace, preferably made of one strip of metal, bolted below at the apex 70 to the central bar and having its upper side 70 horizontal and carrying thereon the U-shaped brace L, which supports the handles O. The lower side of this U brace L is fiat or but slightly curved and of U cross-section, so that it embraces and slides upon the upper side 70 of the triangular brace K. By this means the handles may be swung to one side or the other of the center. The braces L and it are clamped together at any desired point byabolt 7c ,which passes through the brace 70 and through a longitudinal slot Z, Fig. 2, in the brace L. By this means the handles are always rigid at whatever position they may be clamped, and the arrangement is such that in whatever position the handles may be the adj usting-lever G and the expander-lever O, hereinafter described, are always within easy access of the driver.

The side bars B B are expanded by means of the bars M M, pivoted at the outer ends to the ends of the side bars and at the inner ends to the truck N, which slides on the central bar. These expander-bars form a knuckle or toggle joint, which is extended when the side bars are fully expanded and which slides forward-on the central bar, bringing the side bars together.

The truck N, 1 preferably make from one piece of steel having at each end the boxes N and N which embrace and slide upon the central bar A and are joined together by the side strips N Fig. 1. Thus a long bearing is secured which insures the easy sliding of v the truck upon the central bar and prevents its binding thereon. This result is also increased by making the truck of one piece. The under side of the forward end N is flattened and bent down and under in the form of a U, as shown, and the inner ends of the knuckle-arms M are inserted in the space thus formed and pivoted therein. To the upper side of the rear end N of the truck is pivoted the expander-lever 0, formed of a double bar. This lever O is fulcrumed at o to the link 0, which is pivoted to the U-shaped piece L, which in turn rests on top of the sliding handle-supporting brace L and is held in place by the bolt'k L slides to one side or the other it slides under the piece L, which always is central, as

it is bolted to the center of the brace by the bolt R Referring again to the truck N, it will be seen that by swinging the lever 0 forward or back the truck may be slid backward or forward on the central bar, thus straightening or closing the knuckle-joint formed by the arms M M and expanding or drawing together Thus as the brace' the side bars B B. The truck isheld at any desired position on the central bar by means of the latch 19, carried on the under side of the spring-arm P, secured to the upper side of the front end N of the truck, the said latch engaging with suitable'notches 19, cut on the upper side of the central bar. Instead of cutting notches upon the central bar it is obvious that it may be provided with a notched malleable casting riveted thereto or its equivalent. The rear end of the spring-latch arm P passes between the two sides of the expander-lever O and. is connected by means of the wire or rod 0 with the handle 0 by which the latch can be lifted from the notches when it is desired to slide the truck on the central bar.

The outer ends of the arms M rest, as shown in Figs. 2 and 3, on the under side of the enlarged angular ends B of the arms B, while the short braces M, bolted on the upper side of the arms M, rest on the upper side of the ends B a single rivet b securing them and making a strong and rigid but easily-workin g pivoted joint. The innerends m of the braces M are curved up and back and embrace in the space thus formed the lower ends q of the braces Q, which are pivoted thereon by a single bolt. The upper ends q of the braces Q are pivoted to the angles 10 of the triangular I brace K. The angles k are flattened, as shown, so that they embrace the upper end of the braces Q in the same way as the lower ends are embraced by the curved end m of the braces M, and thus the braces Q are held very securely above and below and prevented from twisting and binding. These braces Q are very important, as they form the support from the handles 0 to the side bars B. Heretofore these braces have been secured directly to the handles, which necessitated the position of the handles being fixed and prevented their being shifted from one side to the other, which may be done by my arrangement, while at the same time the bracing is stronger and more rigid than the old way. With my arrangement of braces the position of the lower end of the braces Q on the arms M is all important in order to prevent binding as the arms are expanded. In fact, there is just one point on the arms Mwhere the braces Q can be pivoted in order to work at all. It will be seen that as the sidebars swing outward the motion of the arm M is a very complex one; but it was found by experiment that there is one point m on these arms that moves in an are about the point q, where the upper end of the brace Q is pivoted, and it will be clearly seen that the point m is the only point at which the lower end of the brace can be pivoted. By this arrangement an extremely strong system of bracing is secured at all positions of the side arms, and at the same time the whole mechanism is light, easily working, and not at all liable to get out of order on account of its extreme simplicity; also, by the arrangement of expander mechanism there is no looseness or play to the side bars on account of there being no backlash at any of the joints or in the truck or latch mechanism, which are all of one piece.

I claim-- 1. In a cultivator, a struck-up steel clevis provided at its rear end with a slot, and slotted pin-hole in combination with a weighted and lugged pin, all operated and arranged substantially as described.

2. In a cultivator, a depth-regulator consisting of the pivoted handlever G, connected to a wheel in combination with the lever I, pivoted near the center of the middle bar, each lever connected to the runner and having suitable ground terminations whereby the depth of the cultivator is regulated fore and aft simultaneously with one lever, substantially as described.

. 3. In acultivator, a pivoted brace Q in combination with a handle-supporting brace and expander-bars, the lower end of said brace Q being pivoted at the center of motion of said expander-bars, whereby the said handles and expander-bars are suitably supported, and at the same time allowed freedom of motion, all arranged and operated substantially as described.

4. In a cultivator, a truck N having the latch spring P in combination with the notched central bar A, and operating-lever 0, all arranged and operated substantially as described.

5. In a cultivator, a triangular brace-K attached at its lower side to the central bar, in combination with the laterally-sliding handle-supporting brace L whereby the handles are firmly supported, and permitted to be swung from one side or the other of the center, all arranged and operated substantially as described.

6. In acultivator, the combination with the central notch-bearing bar, a truck carrying a spring with lug to engage the notches, and hinged laterally adj ustable side bars, of knuckle-joint forming expander-bars, and a lever-operated sliding truck on said central bar, substantially as and for the purposes described.

7. In a cultivator, a triangular fixed brace K, provided with a sliding handle-supporting brace L, in combination with the braces Q pivoted at their upper ends to the said triangular brace K, and at their lower ends to the expander-bars M at their centers of motion, whereby the said handles are firmly braced horizontally, and vertically at all positions of the said expander-bars, all arranged and operated substantially as described.

In witness whereof I have hereunto set my hand.

SAMUEL L. ALLEN.

Witnesses:

JOHN G. ALLEN, J12, EDWARD L. RICHIE. 

